Fabric 100% Sunbrella® Acrylic. Sunbrella Action Stone (44285-0002) is a chunky basketweave with a mix of light grey tones. This fabric offers ideal design flexibility and is designed to stay beautiful over time with built-in stain, water, pilling, and abrasion resistance. It is perfect for both indoor and outdoor use, such as cushions, drapery, pillows, umbrellas, and marine upholstery.